This document is from an online science class discussing light. It contains information about different sources of light, both natural and artificial. Examples of natural light sources discussed include the sun, fireflies, and stars. Artificial light sources mentioned include flashlights, traffic lights, spotlights, Christmas lights, and light bulbs. The document also discusses how light is necessary for vision and photosynthesis in plants. Several uses of light are provided such as in lighthouses, traffic lights, lasers, and projectors. Students are given homework to draw and write about 3 uses of light in everyday life.

1. Grade III-CHICO
Online Class
In Science Quarter 3
Mrs. ROVICHELL A. CAMACAM
Adviser

2. Prayer

3. ONLINE
CLASS
RULES

4. 1. Turn off your microphone
when it is not your turn to speak
2. Listen attentively when I am
discussing and saying something
for the class.
3. Avoid doing things that might
disrupt the lesson.

5. 4. No yelling
5. Participate actively.
6.Don’t hesitate to ask questions
on things you don’t understand.

6. Review

7. Name the sources of light
Traffic lights

8. fireworks

9. spotlight

10. flashlight

11. Star

12. Identify the sources of light if it is
natural or artificial source.
1. light bulb
2. sun
3. kerosene lamp
4. firefly
5. Christmas lights

13. Close your eyes
Can you see things around?
Why not?
Open your eyes
Can you see now your
surroundings?
What source of light that you able
to see things?

14. Look at the picture and answer the
questions.
1. What is the boy doing?
2. Do you think the boy will hit
the shuttlecock?Why?
3. What is the source of light
that let him see the
shuttlecock?

15. 1. What is the boy doing?
2. Why is he able to read the book?
3. What is the source of light that
enable the boy to see what he is
reading?
4. Is light important to see things
around?

16. To see things around us is one of
the uses of light.
Light is needed in order to see
things.

18. Light from the source, which is the sun
falls to the object and then reflected to
the eyes.

19. Light
from the
Sun falls
to the
plant
The light
bounces
off the
plant and
enter the
eye

20.  Photosynthesis is a process made by plants to make
their own food. And one of the important contributors
is the sunlight because the leaves make food for the
plants using the light from the sun.

21. People ,plants and
animals depend on
plants for food. So light
is very important.

22. Lighthouses
Guide ships in the dark and also warns ships of
danger.

23. Traffic lights
Help to control the flow of traffic on
the roads

24. Laser light
used in presentation as
pointer.

25. Projectors
Used to produce images on the
screen

26. Colorful lights
are used to beautify places

27. Give other
examples of
uses of light

28. Activity 1
Match column A to where it can be used in column B.
1.
2.
3.
4.
5.
A. Sea
B. plants
C. Study room
D. house
E. roads

29. Activity 2
1.What do we need in order to see
things?
2. What guides the ships in the dark?
3. What do plants need to make
foods?
4. Why there are traffic lights on the
roads?

30. What are the uses of lights?
•It helps us to see things.
•It helps plants to make food and
grow.
it allows us to find our way around in the
daytime!
Artificial sources of lights have different
uses like traffic lights, projectors,
lighthouses, colorful lights, and laser

31.  What do you think will happen if
there is absence of light in our
surroundings?
without light, there would be no
sight.

32. Assessment:
Match column A with column B. Write the letter of the correct
answer
A B
1. Sunlight A. Help to control the flow of traffic on
2. Traffic lights the road
3. Lighthouse B. Use to decorate or beautify places
4. Colorful lights C. Use to warn ships in of danger
5. Laser D. Use by plants for making food
through its leaves
E. Use in presentation as pointer

33. HOMEWORK
Draw and write 3 uses of
light in our everyday
life.

34. God Bless
and Stay safe!